frxzqnsilent frxzqnsilent
  • 01-12-2022
  • Mathematics
contestada

Use elimination to solve the equations

1. x - 2y = 4
-x + y = -2

2. -x + y = 3
3x + y = 11

3. -4x - 2y = -12
4x + 8y = -24

Respuesta :

Otras preguntas

Identify an element as a metal or a non-metal according to its position in the Periodic Table
You measure the mass of an unknown piece of metal to be 325 grams. The volume of the metal is measured to be 16.8 cm3. What is the density of the piece of metal
In a regression analysis involving 30 observations, the following estimated regression equation was obtained. If required enter negative values as negative numb
Suppose there is a 11.3% probability that a randomly selected person aged 30 years or older is a smoker. In​ addition, there is a 23.3% probability that a rando
4 What is MOST likely TRUE about popular music? A. It considers the tastes and preferences of the middle class. B. It has existed throughout the world since the
Read the paragraph and identify the adjectives used in it and write in a separate table Scolars are worshiped
which countries have a smaller coastline than the Philippines​
describe how a country needs educates people for its development?
At what conditions acceleration of a body is zero?​
1km make how many cm​